This document discusses an aching neck and neck pain. It covers the causes of neck pain including injuries, diseases and chronic conditions. Common causes listed are degenerative disc disease, herniated discs, whiplash, and more. Treatment options discussed include rest, heat/cold therapy, injections, physical therapy, acupuncture and devices. The document advises seeing a doctor if pain is severe, restricting movement, or accompanied by other symptoms. Depending on the underlying cause, neck pain can cause additional symptoms like numbness, tingling, earaches and more. It concludes by stating neck pain may resolve on its own, but severe pain requiring treatment should be evaluated by a physician.